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  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Mon Sep 09, 2019 5:32 am   Subject: Re: New build, cylinders 3/4 not responding
Update: I installed the Solex carbs and all is well; they clear the fan shroud with room to spare, but I don't know if I can contribute this success entirely to the carbs. I discovered that I had the ...
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Wed Sep 04, 2019 5:55 am   Subject: Re: New build, cylinders 3/4 not responding
Thanks everyone for your help... and it was helpful, even if I didn't follow your advice. I'm stumped as to what needs to be done to get the engine running well, but that's probably due to my inexper ...
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Tue Sep 03, 2019 1:30 pm   Subject: Re: New build, cylinders 3/4 not responding
Told ya you did not need to take it apart. Laughing

If the affected side is still requiring a lot of throttle opening to keep running - this should tell you the idle circuit is not cooperating.

As ...
  Topic: Engine Guarantee Tag
TonkaJim

Replies: 20
Views: 976

PostForum: Performance/Engines/Transmissions   Posted: Tue Sep 03, 2019 9:45 am   Subject: Re: Engine Guarantee Tag
These are VERY common and will tell the builder that you overheated the engine.

Do you know if JCS uses them?

Thx!
  Topic: Engine Guarantee Tag
TonkaJim

Replies: 20
Views: 976

PostForum: Performance/Engines/Transmissions   Posted: Tue Sep 03, 2019 7:21 am   Subject: Engine Guarantee Tag
Anyone know who puts these "guarantee" tags on their engines? It's just to the left of the oil pump. I'm trying to find out the builder of my recent purchase...

https://www.thesamba.com ...
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Tue Sep 03, 2019 6:35 am   Subject: Re: New build, cylinders 3/4 not responding
Thanks everyone for your assistance...

This weekend, I pulled the engine and both heads. I didn't notice anything unusual... the tops of all the piston heads are unmarked (the "scratches&quo ...
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Thu Aug 29, 2019 8:59 am   Subject: Re: New build, cylinders 3/4 not responding
Thanks, I'll do the vacuum test this weekend and tell you how it goes...

One other item that I forgot to mention is that the gasket between the manifold and head was soaked with gas and fell apart ...
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Wed Aug 28, 2019 10:45 am   Subject: Re: New build, cylinders 3/4 not responding
You've checked quite a bit here.
Have you verified that the ground strap on this car is in good shape?

Yep... new ground strap to engine. I haven't checked the transmission and steering straps, b ...
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Wed Aug 28, 2019 5:59 am   Subject: Re: New build, cylinders 3/4 not responding
Well, I answered my own question... no you can't completely remove a cylinder head w/o pulling the engine. Although, I was able to get about 3” of clearance between the head and cylinders to take som ...
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Tue Aug 27, 2019 1:02 pm   Subject: Re: New build, cylinders 3/4 not responding
Thanks for all the suggestions. Yeah, push rod isn't good. I need to figure out what caused that.

Unfortunately, I don't know who re-built the engine... previous owner can't remember. Since they ...
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Tue Aug 27, 2019 6:27 am   Subject: Re: New build, cylinders 3/4 not responding
Update

Last night i tried the following:
- sprayed the intake manifold with carb cleaner at both the head and carb connection... no change in engine speed.
- swapped the 3/4 wires (although i kne ...
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Mon Aug 26, 2019 1:27 pm   Subject: Re: New build, cylinders 3/4 not responding
Stan - Ah ha ... by that you mean that the tin could be preventing the intake manifold from seating completely on the head? I'll take a look. thanks!
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Mon Aug 26, 2019 1:03 pm   Subject: Re: New build, cylinders 3/4 not responding
Mike - thanks. I know I i have fuel, but but I'll double check to make sure it's not blocked and even for both carbs. I have a pressure gauge on the 1/2 carburetor. I'll move it over to the 3/4 to ...
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Mon Aug 26, 2019 9:42 am   Subject: Re: New build, cylinders 3/4 not responding
Roy - Thanks. I'm going to do a leak test tonight. And, per your suggestion, i'm going to bring home the thermal imaging camera from work and take some pics!!

j
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Mon Aug 26, 2019 8:47 am   Subject: Re: New build, cylinders 3/4 not responding
[/quote]Take the mixture screws completely out to make sure the seats didn't blow out of the carb body.[/quote]

Roy, I swapped the carbs and the problem is still with the 3/4 cylinders, so doesn't ...
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Mon Aug 26, 2019 8:45 am   Subject: Re: New build, cylinders 3/4 not responding
Paul,

I've cleaned the carbs several times and verified the jets are clean. I also swapped the carbs and still have the same problem on the same side. I discovered this problem as I was sync'ing ...
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Mon Aug 26, 2019 8:40 am   Subject: Re: New build, cylinders 3/4 not responding
Dale - Good point about the cam. I'll check for intake leakage.

j
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Mon Aug 26, 2019 7:37 am   Subject: Re: New build, cylinders 3/4 not responding
Glenn - I thought the same thing, but I've confirmed the firing order several times.

j
  Topic: New build, cylinders 3/4 not responding
TonkaJim

Replies: 53
Views: 1850

PostForum: Performance/Engines/Transmissions   Posted: Mon Aug 26, 2019 6:27 am   Subject: New build, cylinders 3/4 not responding
OK, I got the new engine in the Ghia to idle and even drove it around the block a couple of times, but, when I went to tune the dual carbs, I discovered that cylinders 3/4 weren't responding to any sp ...
  Topic: New build won’t idle; have to pump the throttle...
TonkaJim

Replies: 7
Views: 271

PostForum: Ghia   Posted: Mon Aug 26, 2019 5:33 am   Subject: Re: New build won’t idle; have to pump the throttle...
Thanks everyone, I got it idling and even went around the block a few times. I think it was a combination of valves (they were out of adjustment), timing (was close, but not quite right) and some tro ...
 
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